From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 35606C61DBE for ; Wed, 26 Aug 2026 20:40:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wzKPX-0003Hg-4i; Wed, 26 Aug 2026 16:39:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wzKPV-0003Gx-Ii; Wed, 26 Aug 2026 16:39:49 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wzKPT-0001yA-SS; Wed, 26 Aug 2026 16:39:49 -0400 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67QH1qJ82743328; 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Wed, 26 Aug 2026 20:39:45 GMT Received: from smtprelay05.dal12v.mail.ibm.com ([172.16.1.7]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4g7ragkxb3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Aug 2026 20:39:45 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay05.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 67QKdikD33554944 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 26 Aug 2026 20:39:44 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F27CD58061; Wed, 26 Aug 2026 20:39:43 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 62F265805A; Wed, 26 Aug 2026 20:39:43 +0000 (GMT) Received: from [9.61.145.136] (unknown [9.61.145.136]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 26 Aug 2026 20:39:43 +0000 (GMT) Message-ID: <86edd7d6-013a-4aa7-975a-94ceb62790e2@linux.ibm.com> Date: Wed, 26 Aug 2026 16:39:42 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/8] pc-bios/s390-ccw: Check if a PCI function is already enabled before trying to enable it To: jrossi@linux.ibm.com, qemu-devel@nongnu.org, qemu-s390x@nongnu.org, cohuck@redhat.com, mjrosato@linux.ibm.com Cc: zycai@linux.ibm.com References: <20260811144629.866641-1-jrossi@linux.ibm.com> <20260811144629.866641-2-jrossi@linux.ibm.com> Content-Language: en-US From: Eric Farman Autocrypt: addr=farman@linux.ibm.com; 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envelope-from=farman@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 8/11/26 10:46 AM, jrossi@linux.ibm.com wrote: > From: Jared Rossi > > Enabling a PCI function that is already configured will result in an error. > Simply check if the device has already been enabled, and if so, return > without doing anything further; otherwise, enable it as usual. > > Also, because enable_pci_function() prints its own message, let's remove > the duplicate message emitted during the virtio PCI setup steps. > > Signed-off-by: Jared Rossi > --- > pc-bios/s390-ccw/clp.c | 4 ++++ > pc-bios/s390-ccw/virtio-pci.c | 1 - > 2 files changed, 4 insertions(+), 1 deletion(-) Reviewed-by: Eric Farman